What is Shiva Tatva, the Great Philosophy of Lord Shiva?

Lord Shiva performs Tandavam, dances to joy and ecstasy. From this we can know the importance of life and how to deal with the emotions. This cosmic dance of him denotes the flow of emotions and how to control them instead of them controlling you. When emotions are controlled properly, we can channelise the positive energy and can experience eternal joy which is otherwise known as Brahmananda.